Linking the Waldhaff interchange in the south to the Heeschdrëfferbierg plateau in the north, the Stafelter tunnel is a two-way, twin-tube construction. Its underground section is 1,850m in length, 1,650m of which is tunnel and 200m a cut-and-cover section.
Félix Giorgetti was responsible for the following works:
- Site installation platforms;
- Earthworks for the north and south entrances and for the cut-and-cover section;
- Road works inside and outside the tunnel;
- Tunnel portal arrangements.